package intro;

public class Hello {

    class hello{
        String hello = "Hello"
        String word = "word"
        String gth = "!"
    }

    public static void main() {
        String helloStr = hello.hello + " " + hello.word + " " + hello.gth;
        println("你好世界");
        println(helloStr);
        println("");
    }
}
